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Top-Rated Central humidifier installers and replacers in Knightdale - Updated Nov 2026

Avatar for A Maynor Heating and Air Conditioning, Inc.
A Maynor Heating and Air Conditioning, Inc.
4.9(
107
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"Maynor replaced one of our AC units. This installation by Sergio, Austin, and Marcus was done quickly, efficiently, and professionally. I highly recommend Maynor for their service."
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Response time1 day
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Streamline Services, Inc
Streamline Services, Inc
4.7(
735
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved

In business since 2001

Emergency services offered

Warranties offered

"Removed old hot water tank and replaced it with a tankless hot water heater. Work was done in crawl space with less than six feet height available in work area. All done in a few hours last September. It's now the following August (11 months or so later). Everything seems to be working okay. Workmen were polite, professional, timely, focused on the job, carried away all the old parts and cleaned up well---we were quite pleased with the whole process."
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+2

Response time1 day
19 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for A & M Heating & Air Conditioning, Inc.
A & M Heating & Air Conditioning, Inc.
4.8(
26
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Very satisfied with the outcome. The house was not occupied while this work was being done, so I was not present during much of the work to observe the installation of system & ductwork, but it worked beautifully once we moved in and began to use it, a turnkey experience. Twice since then we've had questions (e.g., Can we move the ductwork in one part of the attic to accommodate new attic stairs?), and both times they were very responsive and came out at no charge to me, despite the fact that the work was done over a year ago. I've interacted with both Mike (the owner) and with one of his technicians, and have been very satisfied with the level of customer care I've received. I will use them in the future for our heating & A/C needs.
"
Mitsubishi Install
Roots
Broken Pipe
Repaired Pipe
Water Heater

+6

12 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for ARS / Rescue Rooter Raleigh
ARS / Rescue Rooter Raleigh
4.2(
249
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved (Corporate)

In business since 1976

Free estimates

Credit card accepted

"ARS did a very good job installing my air conditioning unit. They took the time necessary to move a piece which was in the way of installation. Then it was put back in the appropriate manner and when a part didn't work, they rigged it to work until the part could be replaced. The part was replaced the next day and the AC works as it should."
New System Installation
388 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for 6 & Fix Heating & Cooling, Inc.
6 & Fix Heating & Cooling, Inc.
4.2(
17
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Received several quotes from multiple vendors to replace upstairs and downstairs HVAC systems. 6 and Fix Heating and Cooling quote was the best as they had a wider selection of HVAC systems for a better price, and warranty. Did a great job!"
Response time1 day
6 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Aire Serv Of East Raleigh
Aire Serv Of East Raleigh
5.0(
5
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"It went phenomenal! The service was very respectful and professional. The people were very kind and friendly! I will definitely be contacting Air Serv with any future problems with my heating and A/C. Air serve will always be welcomed in my house!"
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+12

17 neighbors recently requested a quote
Recommended by80%of homeowners
Southern Air Mechanical LLC
5.0(
5
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Sam is excellent! He replaced two HVAC systems for me, took the time to talk through and price-out many different options, solved some problems along the way, and when an issue arose he stood by his service and made it right. Sam is a professional and I've already recommended to friends."
Response time50 mins
Recommended by50%of homeowners
Avatar for Parker and Company Heating and Air
Parker and Company Heating and Air
5.0(
6
)
Central Humidifier - Install or Replace

Serving Knightdale, NC and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

Parker & Company Heating and Air provides trusted HVAC services in Clayton, NC, NC. We prioritize long-term relationships with honest, transparent solutions. Our expert services include HVAC repair, AC installation, and furnace repair to keep your system efficient and protect your home’s investment. Serving Johnston County, Wake County, and the Triangle, we offer reliable, energy-efficient heating and cooling services tailored to your needs. Contact us today for HVAC services near you! \n

Maintenance
Ductwork Reno
New Installation
Dehu
Free Estimates

+11

Response time2 hrs
Response rate93%
2 neighbors recently requested a quote
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FAQs for central humidifier installation and replacement projects in Knightdale, NC

A crawl space dehumidifier is a worthwhile investment, particularly in humid climates or if you've noticed musty odors, mold growth, or wood deterioration. Though costs range from $3,000 to $9,200, this investment helps prevent structural damage that could require far more expensive repairs later. Beyond structural protection, a properly dehumidified crawl space contributes to better overall indoor air quality and may reduce allergens throughout your home. Consider having a professional assessment to determine if your specific situation warrants this investment.

Addressing crawl space moisture effectively often requires a combination of solutions. A complete approach includes encapsulation plus dehumidifier installation. For minor moisture issues, a basic dehumidifier starting at $1,500 may suffice, while severe problems in larger spaces could require systems costing up to $14,000. The most effective moisture control strategy depends on your specific conditions, making a professional assessment valuable for determining the most cost-effective approach for your situation.

For a crawl space measuring 1,500 square feet, you'll need a dehumidifier with a daily capacity of 30 to 50 pints, with unit costs ranging from $150 to $600. Your local climate and existing moisture levels may necessitate adjusting this capacity—homes in particularly humid regions might benefit from higher-capacity units. Professional installers can measure your specific humidity conditions and recommend equipment that is appropriately sized, balancing initial cost with operating efficiency for your unique situation.

Crawl space dehumidifiers add $300 to $500 to your annual electricity expenses when operating continuously. Energy-efficient models reduce this consumption by roughly 15 to 30% compared to standard units. Most contemporary dehumidifiers feature humidity sensors that automatically cycle operation based on current conditions, helping manage energy usage. Proper crawl space encapsulation significantly improves efficiency by creating a controlled environment that requires less dehumidifier runtime, thereby reducing ongoing electricity costs.

The Knightdale, NC homeowners’ guide to central humidifier installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.